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fix(extension/label): 修复isMultiple设置false后仍能创建多个label的问题&增加input回调事件&…
…增加便签示例
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examples/engine-browser-examples/src/pages/extension/label/noteNode.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| import LogicFlow, { RectNode, RectNodeModel, h } from '@logicflow/core' | ||
|
|
||
| export class NoteView extends RectNode { | ||
| getShape() { | ||
| const { model } = this.props | ||
| const { x, y, width, height, cornerSize } = model | ||
| const style = model.getNodeStyle() | ||
| const strokeWidth = style.strokeWidth || 1 | ||
| const startPosition = strokeWidth / 2 | ||
| const noteMainPath = ` | ||
| ${startPosition},${startPosition} | ||
| ${startPosition + width},${startPosition} | ||
| ${startPosition + width},${startPosition + height - cornerSize} | ||
| ${startPosition + width - cornerSize},${startPosition + height} | ||
| ${startPosition},${startPosition + height}` | ||
| const noteCornerPath = ` | ||
| ${width - cornerSize},${startPosition + height - cornerSize} | ||
| ${width},${height - cornerSize} | ||
| ${width - cornerSize},${height}` | ||
| return h( | ||
| 'svg', | ||
| { | ||
| ...style, | ||
| x: x - width / 2, | ||
| y: y - height / 2, | ||
| width: width + strokeWidth, | ||
| height: height + strokeWidth, | ||
| viewBox: `-1 -1 ${width + strokeWidth + 2} ${height + strokeWidth + 2}`, | ||
| }, | ||
| [ | ||
| h('polygon', { | ||
| points: noteMainPath, | ||
| fill: style.fill, | ||
| stroke: style.stroke, | ||
| strokeWidth, | ||
| }), | ||
| h('polygon', { | ||
| points: noteCornerPath, | ||
| fill: style.fill, | ||
| stroke: style.stroke, | ||
| strokeWidth, | ||
| }), | ||
| ], | ||
| ) | ||
| } | ||
| } | ||
| export class NoteModel extends RectNodeModel { | ||
| initNodeData(data: LogicFlow.NodeConfig<LogicFlow.PropertiesType>) { | ||
| super.initNodeData(data) | ||
| const { properties } = data | ||
| // const { x, y } = this; | ||
| if (!properties) return | ||
| const { width, height } = properties | ||
| this.width = width || this.width | ||
| this.height = height || this.height | ||
| this.defaultHeight = height | ||
| this.cornerSize = Math.min(this.width, this.height) * 0.1 | ||
| // 监听label:input事件输入时实时更新label的高度 | ||
| this.graphModel.eventCenter.on('label:input', ({ data: labelData }) => { | ||
| const domId = `editor-container-${labelData.id}` | ||
| const domElement = document.getElementById(domId) // 当前输入的label容器元素 | ||
| if (!domElement) return | ||
| const contentDom = domElement.children[0] as HTMLElement // 当前输入的label容器元素的内容（因为便签只有一个文本，所以内容元素即第一个子元素） | ||
| if (!contentDom) return | ||
| const lineHeight = window.getComputedStyle(contentDom).lineHeight | ||
| if (contentDom.offsetHeight > this.defaultHeight) { | ||
| this.setProperty( | ||
| 'height', | ||
| contentDom.offsetHeight + parseFloat(lineHeight), | ||
| ) | ||
| } else { | ||
| this.setProperty( | ||
| 'height', | ||
| contentDom.offsetHeight < this.defaultHeight | ||
| ? this.defaultHeight | ||
| : contentDom.offsetHeight + parseFloat(lineHeight), | ||
| ) | ||
| } | ||
| }) | ||
| } | ||
|
|
||
| getNodeStyle() { | ||
| const { cornerSize } = this | ||
| const style = super.getNodeStyle() | ||
| const { style: { fill, stroke, strokeWidth } = {} } = this.properties | ||
| style.fill = fill || '#fff' | ||
| style.stroke = stroke || '#2961EF' | ||
| style.strokeWidth = strokeWidth || cornerSize / 20 | ||
| return style | ||
| } | ||
|
|
||
| updateLabelInfo() { | ||
| const { width, height, x, y } = this | ||
| // eslint-disable-next-line @typescript-eslint/no-explicit-any | ||
| const { labelWidth } = this.properties._labelOption as any | ||
| // eslint-disable-next-line @typescript-eslint/no-explicit-any | ||
| this.properties._label?.forEach((label: any) => { | ||
| label.labelWidth = labelWidth || width - width * 0.2 | ||
| label.x = x | ||
| label.y = y | ||
| label.style = { | ||
| minHeight: `${height - height * 0.2}px`, | ||
| minWidth: `${labelWidth || width - width * 0.15}px`, | ||
| textAlign: 'left', | ||
| } | ||
| console.log('label', label) | ||
| }) | ||
| } | ||
|
|
||
| setAttributes() { | ||
| super.setAttributes() | ||
| this.updateLabelInfo() | ||
| } | ||
| } | ||
|
|
||
| export const note = { | ||
| type: 'note', | ||
| view: NoteView, | ||
| model: NoteModel, | ||
| } | ||
|
|
||
| export default note |
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